Lomax, IL Radon Levels

Q: What EPA Radon Zone is Lomax in?

Lomax is in Henderson County, EPA Zone 1.

Q: Why are radon readings shown from areas near Lomax?

No homeowner radon tests have been submitted for Lomax yet, so readings from the closest cities and the Henderson County average are used as the best available indicator of local conditions. The EPA recommends testing every individual home.

Q: How much does radon mitigation cost in Lomax?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Lomax radon levels and find certified testing and mitigation professionals to keep your home safe

Lomax, IL Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Henderson County, IL

Zip Code 61454

Located in rural Henderson County along the Illinois River valley, Lomax sits on alluvial soils over limestone bedrock that can produce variable radon conditions. Since comprehensive testing data isn't available for this 61454 community, residents should test their homes to determine individual radon exposure levels. The area's mix of older farmhouses and newer construction creates diverse foundation types that may respond differently to radon migration.

13.00

pCi/L area average

Above EPA Action Level

Henderson County average: 13.00 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Lomax itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Lomax, IL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon Readings Near Lomax, IL

No homeowner tests have been submitted for Lomax yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Stronghurst	7.9 mi	13.00 pCi/L	2
Dallas City	8.5 mi	9.00 pCi/L	1
Monmouth	26.2 mi	8.00 pCi/L	1
Knoxville	42.5 mi	8.00 pCi/L	1
Cuba	46.6 mi	6.00 pCi/L	1
New Windsor	47.1 mi	6.00 pCi/L	1

Henderson County Radon Profile

Because of its underlying geology, Henderson County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 1 city in Henderson County average 13.00 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Henderson County home regardless of zone or a neighbor's results.

Radon FAQ for Lomax, IL

What EPA Radon Zone is Lomax in?

Lomax and the 61454 zip code are in Henderson County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

Why are radon readings shown from areas near Lomax?

No homeowner radon tests have been submitted for Lomax yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Henderson County average—are the best available indicator of local conditions until Lomax homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Lomax?

Radon mitigation in Lomax typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Lomax?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.